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3M 61986510362 TC330 Roto Pein Flap Disc - 50 X 25mm

  • 3M
  • BW#: 00711841
  • Mfr#: 61986510362
  • UNSPSC#: 31191600
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Features
  • Our 3M™ Roto peen flap assembly, made with a flap and mandrel, was designed using captive shot flap technology

  • To create this unique and portable assembly, we adhered tungsten carbide shot to flexible flaps using high strength resin

  • Two flaps are bonded together with a special adhesive for easy placement in a flap mandrel

  • Peening, a cold working process for metal, applies repeated stress to the material's surface and strengthens it through compression

  • The peening method helps improve the material's ability to resist fracture, fatigue and stress corrosion cracking

  • In traditional shot peening methods, the work surface is sprayed with cast steel shot

  • While this method is also effective, it has a tendency to dirty the operator’s environment by releasing debris

  • Additionally, the tools required for this method limit the spaces where an operator can peen

  • Our 3M™ Roto peen flap assembly does not require a sandblaster or the accompanying abrasive materials, as the tungsten carbide shots are already adhered to the flap

  • The benefits of this unique construction are twofold

  • First, peening is cleaner because debris is not released as the flaps abrade the surface

  • The captive shot flaps provide a more precise method than loose shot "blasting"

  • Second, the assembly is portable, making it more convenient for operators to use

  • Flap/mandrel assemblies are especially effective for precision in service rework, manufacturing, repair of small areas and peening holes

  • The 3M™ Roto peen flap assembly comes in three sizes and allows for peening a variety of surfaces and radii area

  • Plus, the uniform TC 330 shot size contributes to consistent results

  • As the part is peened, a compressive residual stress is created

  • It’s a non yielding layer that increases the material’s ability to fight fatigue, stress and fracturing

  • Flap rotation speed is the most important factor affecting peening intensity

  • Increasing the speed of rotation increases the intensity

  • Conversely, decreasing the speed decreases the intensity

  • To insure uniform peening coverage, operators should use a circular or oscillating motion over the entire area

  • Flap/mandrel assembly is portable for added convenience

  • Tungsten carbide shot is bonded to the flaps, providing a cleaner peening method than loose shot "blasting"

  • Available in three flap sizes for both small and large surface areas

  • Especially effective for precision in-service rework, manufacturing, repair of small areas, and peening holes

  • Our 3M™ Roto Peen flap assembly effectively peens a variety of metals


  • Applications
    • For precision in-service rework, manufacturing, repair of small areas
      and peening holes

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    Technical Specifications

    Colour No Colour
    Size 25mm x 50mm
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